【正确答案】 More and more wonderful machines and other things were invented by scientist have render a human''s life much easier and more comfortable. In one hand, Science and technology help people a lot to in every fields of life, from houses, offices to contraction sites....Based on them, we can do our job better but easier. Computer is considered the most importance achievement of science and technology. Computer help people to manage such a large number of figures, documents... in government, in companies or even in your house that you cannot manage to do with them. And help us solve lot of thorny problem which took man quite a very long time to do with his brain. Environmental technologies help to protect our environment, make more substances to replace nature recourses. Besides the advantages above, science and technology also make many disadvantages. Computer makes people lazier; they are lazy to use their brain to work so that sometimes they find it difficult to work by themselves, especially without computer, people can''t work properly. Everything in your computer becomes unsafe . Bad people like hacker can enter your computer to thieve your password, your secret info and use your account Illegally. Some people like creating viruses that destroy your computer or thieve your personal Info. We con easily realize that the rote of cancer in con tries that use processed foods are much higher than in countries that don''t use them often. We can conclude that science and technology has both positive and negative effects. What we need do is to make sure the positive ones are encouraged and the negative ones ore banned as far as possible.